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1 //===-- ucmpti2_test.c - Test __ucmpti2 -----------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file tests __ucmpti2 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "int_lib.h"
15 #include <stdio.h>
16 
17 #ifdef CRT_HAS_128BIT
18 
19 // Returns:  if (a <  b) returns 0
20 //           if (a == b) returns 1
21 //           if (a >  b) returns 2
22 
23 COMPILER_RT_ABI si_int __ucmpti2(tu_int a, tu_int b);
24 
test__ucmpti2(tu_int a,tu_int b,si_int expected)25 int test__ucmpti2(tu_int a, tu_int b, si_int expected)
26 {
27     si_int x = __ucmpti2(a, b);
28     if (x != expected)
29     {
30         utwords at;
31         at.all = a;
32         utwords bt;
33         bt.all = b;
34         printf("error in __ucmpti2(0x%.16llX%.16llX, 0x%.16llX%.16llX) = %d, "
35                "expected %d\n",
36                at.s.high, at.s.low, bt.s.high, bt.s.low, x, expected);
37     }
38     return x != expected;
39 }
40 
41 #endif
42 
main()43 int main()
44 {
45 #ifdef CRT_HAS_128BIT
46     if (test__ucmpti2(0, 0, 1))
47         return 1;
48     if (test__ucmpti2(1, 1, 1))
49         return 1;
50     if (test__ucmpti2(2, 2, 1))
51         return 1;
52     if (test__ucmpti2(0x7FFFFFFF, 0x7FFFFFFF, 1))
53         return 1;
54     if (test__ucmpti2(0x80000000, 0x80000000, 1))
55         return 1;
56     if (test__ucmpti2(0x80000001, 0x80000001, 1))
57         return 1;
58     if (test__ucmpti2(0xFFFFFFFF, 0xFFFFFFFF, 1))
59         return 1;
60     if (test__ucmpti2(0x000000010000000LL, 0x000000010000000LL, 1))
61         return 1;
62     if (test__ucmpti2(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL, 1))
63         return 1;
64 
65     if (test__ucmpti2(0x0000000200000002LL, 0x0000000300000001LL, 0))
66         return 1;
67     if (test__ucmpti2(0x0000000200000002LL, 0x0000000300000002LL, 0))
68         return 1;
69     if (test__ucmpti2(0x0000000200000002LL, 0x0000000300000003LL, 0))
70         return 1;
71 
72     if (test__ucmpti2(0x0000000200000002LL, 0x0000000100000001LL, 2))
73         return 1;
74     if (test__ucmpti2(0x0000000200000002LL, 0x0000000100000002LL, 2))
75         return 1;
76     if (test__ucmpti2(0x0000000200000002LL, 0x0000000100000003LL, 2))
77         return 1;
78 
79     if (test__ucmpti2(0x0000000200000002LL, 0x0000000200000001LL, 2))
80         return 1;
81     if (test__ucmpti2(0x0000000200000002LL, 0x0000000200000002LL, 1))
82         return 1;
83     if (test__ucmpti2(0x0000000200000002LL, 0x0000000200000003LL, 0))
84         return 1;
85 
86     if (test__ucmpti2(make_tu(0x0000000000000001uLL, 0x0000000000000000uLL),
87                       make_tu(0x0000000000000000uLL, 0xFFFFFFFFFFFFFFFFuLL), 2))
88         return 1;
89     if (test__ucmpti2(make_tu(0x0000000000000001uLL, 0x0000000000000000uLL),
90                       make_tu(0x0000000000000001uLL, 0x0000000000000000uLL), 1))
91         return 1;
92     if (test__ucmpti2(make_tu(0x0000000000000001uLL, 0x0000000000000000uLL),
93                       make_tu(0x0000000000000001uLL, 0x0000000000000001uLL), 0))
94         return 1;
95 
96     if (test__ucmpti2(make_tu(0x8000000000000000uLL, 0x0000000000000000uLL),
97                       make_tu(0x7FFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL), 2))
98         return 1;
99     if (test__ucmpti2(make_tu(0x8000000000000000uLL, 0x0000000000000000uLL),
100                       make_tu(0x8000000000000000uLL, 0x0000000000000000uLL), 1))
101         return 1;
102     if (test__ucmpti2(make_tu(0x8000000000000000uLL, 0x0000000000000000uLL),
103                       make_tu(0x8000000000000000uLL, 0x0000000000000001uLL), 0))
104         return 1;
105 
106     if (test__ucmpti2(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL),
107                       make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFEuLL), 2))
108         return 1;
109     if (test__ucmpti2(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL),
110                       make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL), 1))
111         return 1;
112 #else
113     printf("skipped\n");
114 #endif
115    return 0;
116 }
117